M/T - Shiftability Concerns, New Shifter Boot
90buick09Bulletin: 89-7-7
Date: May, '90
Ref. No.: 89-286-7
Corp. Ref. No.: 937205
SUBJECT: SHIFTABILITY CONCERNS ON ISUZU 5-SPEED MANUAL TRANSAXLE - (NEW SHIFTER BOOT)
MODELS AFFECTED: 1983 - 89 SKYHAWK WITH 5-SPEED ISUZU TRANSAXLE
CONDITION:
Owners of some 1983-89 Skyhawks equipped with Isuzu 5-speed manual transaxles (RPO MK7, and MY7) may comment about one or more of the following:
1. Transaxle hopping out of gear.
2. Higher than normal shift efforts.
3. Shifter rattle or buzz.
These conditions may be more apparent during cold weather operation.
CAUSE:
Any of these conditions may be the result of the shift boot being to stiff.
CORRECTION:
To repair any of the above conditions, a new shifter boot should be installed (P/N 22553175). The new shift boot is made of a more pliable material.
If the new boot does not satisfactorily fix the customer concern, consult previous bulletins on these subjects.
FIGURE 1:
SERVICE PARTS:
The new boot will only back service vehicles which are equipped with a boot identical to the one shown in Figure 1.
Boot, Shifter P/N 22553175
Part is currently available from GMSPO.
Use applicable labor operation and time.